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Re: CGImage, NSImage from RAW data results in thumbnail jpeg?

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Re: CGImage, NSImage from RAW data results in thumbnail jpeg?

Subject: Re: CGImage, NSImage from RAW data results in thumbnail jpeg?
From: Thomas Engelmeier <email@hidden>
Date: Sat, 28 Jul 2007 00:16:30 +0200


Am 27.07.2007 um 18:47 schrieb Jim Correia:

I was(am) using the data initializer because the data isn't stored as a discrete filesystem entity, and I'd like the result to be an NSImage if possible.

Any practical advice? (Besides using CGImageSourceCreateWithData with the type identifier hint and ended up with a CGImage?)


Well, I'd prefer ImageIO / CGxxx to NSImage.

Basically, many RAW images are stored in souped up TIFF containers where the only "standard" RGB data is an thumbnail, that's why you get the preview when you feed the data in an generic decoder that potentially probes the data for JPEG and TIFF first..


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